Budgerigarian Contagious Yawning (quite untortoisean!)

Although scientists have failed to find evidence of contagious yawning in tortoises (though those scientists succeeded in winning an Ig Nobel Prize), other scientists have now found evidence, they say, of contagious yawning in budgies [a non-yawning specimen of which is pictured here in a photo by Elektrofisch]. They published a study about it: “Evidence for […]